From 4a27fce742a75881cd84607f4237624d8c0a0a22 Mon Sep 17 00:00:00 2001
From: Johannes Zellner <johannes@cloudron.io>
Date: Thu, 9 Feb 2017 12:40:40 +0100
Subject: Use accessTokens instead of username/password

---
 src/auth.js | 65 ++++++++++++++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 54 insertions(+), 11 deletions(-)

(limited to 'src/auth.js')

diff --git a/src/auth.js b/src/auth.js
index b56f09f..8645d4c 100644
--- a/src/auth.js
+++ b/src/auth.js
@@ -4,10 +4,25 @@ var passport = require('passport'),
     path = require('path'),
     safe = require('safetydance'),
     bcrypt = require('bcryptjs'),
-    LdapStrategy = require('passport-ldapjs').Strategy;
+    uuid = require('uuid/v4'),
+    BearerStrategy = require('passport-http-bearer').Strategy,
+    LdapStrategy = require('passport-ldapjs').Strategy,
+    HttpSuccess = require('connect-lastmile').HttpSuccess;
 
 var LOCAL_AUTH_FILE = path.resolve(process.env.LOCAL_AUTH_FILE || './.users.json');
 
+var gTokenStore = {};
+
+function issueAccessToken() {
+    return function (req, res, next) {
+        var accessToken = uuid();
+
+        gTokenStore[accessToken] = req.user;
+
+        next(new HttpSuccess(201, { accessToken: accessToken, user: req.user }));
+    };
+}
+
 passport.serializeUser(function (user, done) {
     console.log('serializeUser', user);
     done(null, user.uid);
@@ -24,20 +39,28 @@ var LDAP_USERS_BASE_DN = process.env.LDAP_USERS_BASE_DN;
 if (LDAP_URL && LDAP_USERS_BASE_DN) {
     console.log('Enable ldap auth');
 
-    exports.verify = passport.authenticate('ldap');
+    exports.login = [ passport.authenticate('ldap'), issueAccessToken() ];
 } else {
     console.log('Use local user file:', LOCAL_AUTH_FILE);
 
-    exports.verify = function (req, res, next) {
-        var users = safe.JSON.parse(safe.fs.readFileSync(LOCAL_AUTH_FILE));
-        if (!users) return res.send(401);
-        if (!users[req.query.username]) return res.send(401);
+    exports.login = [
+        function (req, res, next) {
+            var users = safe.JSON.parse(safe.fs.readFileSync(LOCAL_AUTH_FILE));
+            if (!users) return res.send(401);
+            if (!users[req.query.username]) return res.send(401);
 
-        bcrypt.compare(req.query.password, users[req.query.username].passwordHash, function (error, valid) {
-            if (error || !valid) return res.send(401);
-            next();
-        });
-    };
+            bcrypt.compare(req.query.password, users[req.query.username].passwordHash, function (error, valid) {
+                if (error || !valid) return res.send(401);
+
+                req.user = {
+                    username: req.query.username
+                };
+
+                next();
+            });
+        },
+        issueAccessToken()
+    ];
 }
 
 var opts = {
@@ -58,3 +81,23 @@ var opts = {
 passport.use(new LdapStrategy(opts, function (profile, done) {
     done(null, profile);
 }));
+
+exports.verify = passport.authenticate('bearer', { session: false });
+
+passport.use(new BearerStrategy(function (token, done) {
+    if (!gTokenStore[token]) return done(null, false);
+
+    return done(null, gTokenStore[token], { accessToken: token });
+}));
+
+exports.logout = function (req, res, next) {
+    console.log(req.authInfo);
+
+    delete gTokenStore[req.authInfo.accessToken];
+
+    next(new HttpSuccess(200, {}));
+};
+
+exports.getProfile = function (req, res, next) {
+    next(new HttpSuccess(200, { username: req.user.username }));
+};
-- 
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